class_docstr: Graphical interface for auditing image comparison tests.
code: def on_key_press(self, event):
      self.last_key = event.key.name
  
imports: import time
  import os
  import sys
  import inspect
  import base64
  from subprocess import check_call, CalledProcessError
  import numpy
  from http.client import HTTPConnection
  from urllib.parse import urlencode
  from ..None import scene, config
  from ..io import read_png, write_png
  from ..gloo.util import _screenshot
  from ..util import run_subprocess
  from .None import IS_CI
label_desc: Use image node_id 3 for calling the ImageTester obj's underlying member method code with example usage: obj.on_key_press(event) without return types